1) Participation in  a Congress on Biochemist (See in Spanish), 2) Abuse of steroids in adolescents, (See in Spanish). We use NIDA Infofacts for this theme. , 3) Reference to articles Sertox (See in Spanish).

Also see abstract of a new paper in RETEL: ASSISTED REPRODUCTION BY USING HORMONES IN THE CUBAN FROG Osteopilus Septentrionalis. (Anura: Ranidae)